class Path(object):
    @staticmethod
    def db_root_dir(dataset):
        if dataset == 'spacenet':
            return '/home/mj/data/work_road/data/SpaceNet/spacenet/result_3m/'
        elif dataset == 'DeepGlobe':
            return 'data/deepglobe/'
        elif dataset == 'Low_Contrast_Roads':
            return 'data/Low_Contrast_Roads/'
        else:
            print('Dataset {} not available.'.format(dataset))
            raise NotImplementedError
